About Us

Our Vision

To be a reliable and preferred integrated solution provider for the oil & gas, marine, processing and fabrication industries.

Our Mission

  • To provide solutions to our customers on time, on budget and with zero incidents.
  • To execute our businesses safely, innovatively and profitably.
  • To make continual improvement of quality, processes and competence.


Y.H.H was established in Singapore in 2006.


Headquarter in Singapore and operates 9 companies in Singapore, Vietnam, Indonesia and Malaysia.


Grown to become a major service provider in the Construction, Process, Marine, Offshore and Onshore oil & gas industries.


Developed a core group of Competent, Experienced and Qualified personnel.


Expertise on Structural, Piping, Electrical & Instrumentation (E&I), Insulation and Manufacturing Works for Compressor Process Skids, Metering Skids, Modules for FPSO, Petrochemical Plants and others.

Core Values

Our Integrated Management System

Customer Satisfaction

Comply to Standard, Comply to Spec, Deliver on Time, Within Budget

Health, Safety, Environment (HSE)

Risk Assessment, Safe Working Procedure, Safety Co-ordination

Total Integration

Project Management, Project Extension Plan, Project Co-ordination

Multi-Cultural Understanding & Mindset

Developing People, Openness Honesty, Customer Driver, Hand-on Extension

Improvement and Innovativeness

Always strive for improvement, Improvement through Innovation, Keep up with Technically

Quality Assurance and Control

In-process Quality Control, QA/QC Procedure, Inspection and Reporting

Responsive to Market Challenges

Cost Estimate, Cost Control, Planning and Scheduling

Experienced and Resources

Communication, Construction / Assembly, Work Procedure, Management and Supervision

Quality Policy

  • Quality is our culture and it’s everyone’s responsibility.
  • Competency, attitude & responsibility is key to achieve quality.
  • Conformance to Agreed Requirement.

HSE Policy

  • Committed ourselves to the Health and Safety of all our employees and the safeguard of the Environment inside as well as outside area/site of our operation.
  • Safe and Efficient standard of work will continue to be the strongest element of Company management commitment which will aim for the highest standard of service to our Client with regards to HSE requirement.